ceph-deploy admin node1 node2 node3
-#. Deploy a manager daemon.::
+#. Deploy a manager daemon. (Required only for luminous+ builds)::
- ceph-deploy mgr create node1
+ ceph-deploy mgr create node1 *Required only for luminous+ builds, i.e >= 12.x builds*
#. Add three OSDs. For the purposes of these instructions, we assume you have an
unused disk in each node called ``/dev/vdb``. *Be sure that the device is not currently in use and does not contain any important data.*